Coordinate input device



FIG. 1 is a front-bottom-right perspective view of a coordinate input device showing a first embodiment my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a front-bottom-right perspective view of a coordinate input device showing a second embodiment my new design; and,

FIG. 4 is a front elevation view thereof.

The dashed broken lines in the drawings show portions of the coordinate input device that form no part of the claimed design. 

CLAIM The ornamental design for a coordinate input device, as shown and described. 